body {
  background-color: #212529;
  color: #f8f9fa;
  font-family: Arial, sans-serif;
}

.container {
  max-width: 400px;
  margin: 100px auto;
  background: #343a40;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0px 0px 20px rgba(0,0,0,0.6);
}

h2 {
  text-align: center;
  margin-bottom: 20px;
}

input, button {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 8px;
  border: none;
}

input {
  background: #495057;
  color: #f8f9fa;
}

button {
  background: #0d6efd;
  color: white;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #0b5ed7;
}
.message {
  text-align: center;
  margin-top: 15px;
  color: #ffc107;
}